Plan Ledger DOL Form 5500 · updated monthly

Aspen Aerogels, Inc.401(k)

ASPEN AEROGELS, INC. 401(K) PLAN · NORTHBOROUGH, MA · plan year 2024

Reported admin expense ratio · 2024
0.36%

Peer grade: B · admin costs + employer contributions vs same-size plans · how grading works

Aspen Aerogels, Inc. reported $134,031 in plan administrative expenses for 2024: 0.36% of average plan assets, above the peer median. Employer contributions averaged $3,056 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 2 years on file its reported administrative ratio rose from 0.09% to 0.36%. The plan sits in the $10M–$50M size bracket, benchmarked here against 27,838 comparable plans and shown alongside other manufacturing employers. By assets it is the 816th-largest of 2,726 plans among Massachusetts employers on file, and the 3,632nd of 13,661 in manufacturing. In 2024, employees put in $2.84 for every $1.00 the employer contributed.

Plan summary
Net assets, end of year$40,687,824
Participants with balances624
Active participants521
Employer contributions$1,591,938
Employee contributions$4,526,725
Employer contribution per active participant$3,056
Average account balance$65,205
Benefits paid to participants$4,627,432
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$40.7M · 624 accts · $1.6M emplr
2023$33.4M · 609 accts · $1.5M emplr
2022$24.4M · 563 accts · $1.2M emplr
Administrative expenses, itemized · 2024
Recordkeeping & contract admin$61,696
Investment management$72,335
Total administrative$134,031
The Aspen Aerogels, Inc. 401(k) match · 2024
Employer contribution per active participant$3,056
Median for plans this size$2,416
2024$3,056 per active participant
2023$2,860 per active participant
2022$2,362 per active participant

Aspen Aerogels, Inc.'s 2024 employer contribution ran above the $2,416 median for plans its size. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20242
GLOBAL RETIREMENT PARTNERS LLC · Investment advisory (plan)$72,335

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Administrative cost history3
2024$134,031 · 0.36%
2023$75,564 · 0.26%
2022$21,563 · 0.09%
Same employer
Similar plansManufacturing · Massachusetts
Mycronic MA$40.9M · 0.25%
Abcam, Inc. MA$40.8M · 0.63%
Environmental Systems, Inc. MA$39.9M · 0.49%
Cynosure, LLC MA$39.8M · 0.36%
Connell Limited Partnership MA$39.3M · 0.09%

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Source: U.S. Department of Labor, Form 5500 series, EIN 043559972 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.